Sunlite Square – Comp Cartridge Bottom Bracket – 68mm, ENG, Square Taper, 103mm, Steel Review Posted by GiantPandaisy June 29, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. Steel body Chromoly spindle Sealed bearings BB SET SUNLT 68×103 SQUARE STL-CUPS ENG Cycling Outdoor Recreation Parts & Components Sports & Outdoors Sunlite